Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
  • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
  • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
  • B60R21/01512—Passenger detection systems
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
  • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
  • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
  • B60R21/01512—Passenger detection systems
  • B60R21/0153—Passenger detection systems using field detection presence sensors
  • B60R21/01538—Passenger detection systems using field detection presence sensors for image processing, e.g. cameras or sensor arrays
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
  • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
  • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
  • B60R21/01512—Passenger detection systems
  • B60R21/0153—Passenger detection systems using field detection presence sensors
  • B60R21/01536—Passenger detection systems using field detection presence sensors using ultrasonic waves
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
  • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
  • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
  • B60N2/0224—Non-manual adjustments, e.g. with electrical operation
  • B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
  • B60N2/0268—Non-manual adjustments, e.g. with electrical operation with logic circuits using sensors or detectors for adapting the seat or seat part, e.g. to the position of an occupant
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
  • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
  • B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
  • B60R2021/01315—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over monitoring occupant displacement
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
  • B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
  • B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
  • B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
  • B60R21/01512—Passenger detection systems
  • B60R21/0153—Passenger detection systems using field detection presence sensors
  • B60R21/01534—Passenger detection systems using field detection presence sensors using electromagneticwaves, e.g. infrared

Definitions

• the invention relates to a safety device for a plurality of vehicle seats arranged in at least two rows of seats in an interior
• Vehicle with a plurality of sensor modules, which can be arranged angeordnel for detecting a seat occupancy of the vehicle seats in the interior of the vehicle.
• System include. These systems are then arranged, for example, in a bumper of the vehicle in order to detect the collision of the vehicle with an object from the surroundings of the vehicle. For the capture of
• Vehicle are arranged in particular as an acceleration sensor or in the vehicle door in particular as a pressure sensor.
• a pressure sensor For the detection of collisions with objects in the front area are nowadays
• Acceleration sensors used, for example, in
• Algorithms of a control device in particular an airbag control unit, further processed to over the release of restraining means of the vehicle, such as airbag devices, belt tensioners or the like to
• a mass estimate to recognize the seat occupancy. It is also recognized via the belt buckle sensors whether a vehicle occupant is belted or unglued during a journey.
• the goal of the occupant detection lies in the targeted or selective triggering of restraint systems of the vehicle in an accident, so that the vehicle occupants are optimally protected in the accident. For example, a passenger airbag should not be fired when a toddler in a seat on the
• Passenger seat of the vehicle is located. For this purpose, it is necessary to recognize the infant reliably on the passenger seat.
• the patent DE 10 2008 044 903 B4 already discloses a safety device in which sensor modules are arranged in the vehicle seat, which detect the seat occupancy.
• the safety device according to the invention with the features of claim 1 has the advantage that a seat occupancy of all vehicle seats is ensured in a simple manner safely.
• the safety device according to the invention with the features of claim 1 has the advantage that a seat occupancy of all vehicle seats is ensured in a simple manner safely.
• Safety device a cost compared to known safety devices detection of seat occupancy.
• each row of seats is assigned at least one non-contact sensor module, wherein the
• Sensor modules are arranged on an interior wall of the vehicle facing the interior to detect the seat occupancy of the vehicle seats.
• the seat occupancy is thus determined without contact, so that expensive sensors in the vehicle seats themselves can be dispensed with.
• Image analysis that the type of seat occupancy is detected can be determined by the non-contact seat occupancy detection, if it a person in the vehicle seat is a toddler or an adult. Accordingly, then the restraining means of the vehicle or the safety device can be optimally controlled to provide the best possible protection for the
• each row of seats are assigned at least two sensor modules, which are arranged on opposite inner walls of the vehicle.
• each row of seats is detected from two sides to the seat occupancy of
• Sensor modules are arranged in each case, in particular by the
• the sensor modules preferably each have at least one radar, laser, ultrasound or camera sensor.
• the sensor modules can also be equipped with different sensors, so that a sensor module, for example, a radar sensor and another sensor module, the
• the sensor modules are designed to be integrated as airbag sensor modules or in each case into an airbag device.
• the sensor modules therefore also have, in particular, means for detecting a Impact or collision with an object in the vicinity of the vehicle.
• airbag sensor modules are now anyway, as already mentioned, used in vehicles.
• the airbag sensor modules are inexpensive expandable to the desired function. Since the sensor modules require no special space, they can also be easily integrated into the existing airbag sensor modules. It is important that the sensor modules are facing the interior of the vehicle in order to detect this. This means that the sensor of the sensor module for seat occupancy detection facing the interior, while the sensor of the airbag sensor module for collision monitoring is assigned in particular the outer wall of the vehicle. Furthermore, it is preferably provided that the sensor modules each have at least one impact sensor, in particular acceleration sensor or pressure sensor, as means for collision detection. Thus, each sensor module on an impact sensor and a sensor for determining the seat occupancy. By providing the sensor and the impact sensor is the
• At least one of the vehicle seats is associated with a movement device which is designed to move the vehicle seat upon detection of an impact with an object in dependence on the detected seat occupancy in a protective position.
• variable orientation of the vehicle seats for example, such that the driver's seat can be rotated by 180 °, so that the driver can communicate better with other occupants of the vehicle can.
• this variability has the disadvantage that the previous
• Retention means can not be readily used.
• the advantageous movement device provides that the vehicle seat itself is moved in order to displace the person located on the vehicle seat into a position that is optimal or optimized for triggering the restraint means in the event of a collision.
• a person located on the vehicle seat can be moved before the collision into a position in which the restraining means can optimally act on the person. This is particularly advantageous if an environmental sensor system of the motor vehicle can predict a collision with an object in the environment.
• At least one further sensor module on a headliner or on a center tunnel of the vehicle is preferably provided.
• the further sensor module improves the monitoring of the interior and in particular increases the accuracy of the person detection.
• At least one control device is provided, which is specially designed to evaluate the data provided by the sensor modules for determining the seat occupancy and the
• the control unit determines the seat occupancy and, in the event of an imminent or collision, controls the restraining means and, in particular, the movement device as a function of the evaluation, as already described above.
• the figure shows a simplified plan view of a vehicle 1, which has an advantageous safety device 2.
• the vehicle 1 is as
• Assigned airbag devices 6 which can be triggered in the event of a collision of the motor vehicle to protect the vehicle occupants from injury.
• the arrangement and position of the airbag devices 6 is shown here in the figure by way of example only. Conveniently, the
• Airbag devices 6 however, arranged in each case a side wall of the vehicle 1, to protect the occupants as side airbags.
• the safety device 2 advantageously has more
• Retaining means for protecting the vehicle occupants such as belt tensioners, in particular on the middle seats 4_2 and 5_2, which further increase the protection for the vehicle occupants.
• the safety device 2 also has impact sensors 7 or collision sensors, which are arranged, for example, on a vehicle longitudinal side or in the bumper of the vehicle 1 in order to detect a collision of the vehicle 1 with an object in the environment.
• the impact sensors 7 are assigned to the outside of the vehicle 1.
• the impact sensors 7 may be acceleration sensors, which are arranged in particular in the B, C or D pillar of the vehicle, or pressure sensors, which are arranged in one or more vehicle doors of the vehicle 1.
• the impact sensors 7 integrated in the bumpers 7 are designed, in particular, as acceleration sensors or pressure hose-based sensors which detect a collision with pedestrians.
• the safety device 1 has an environment sensor 8, which in particular optically detects the surroundings of the motor vehicle in order to detect impending collisions, even before the collision occurs.
• a control unit 9 evaluates the data of the impact sensors 7 and
• retaining means in particular the airbag devices 6 and said belt tensioners to decide.
• the safety device 2 also has a plurality of sensor modules 10, 11 and 12, of which the sensor modules 10 and 11 are arranged on an inner wall of the vehicle 1 facing the interior of the vehicle 1.
• the sensor module 10 of the row of seats 4 and the sensor module 11 of the seat row 5 are assigned.
• the further sensor module 12 is arranged centrally on the headliner in the front region of the interior and aligned in the direction of the front seat row 3.
• Each sensor module 10, 11, 12 has a non-contact sensor 13, 14 and 15, which is designed in particular as a radar sensor, ultrasonic sensor, camera sensor or laser sensor and scans the interior of the vehicle 1.
• the sensors 13 and 14 are each arranged with one of the sensors 7 in a common housing and together with these form the respective sensor module 11 or 10.
• the sensor 15 is optionally together with a camera module of
• the Environment sensor 8 arranged in a housing and thus can also represent an integrated sensor.
• the sensor modules 10 and 11 are in particular airbag sensor modules which are extended by the function of the additional sensor 13 or 14.
• the sensor modules 10, 11, 12 are thus used on the one hand for collision monitoring, and on the other hand for monitoring the interior and in particular for detecting the seat occupancy of the vehicle seat rows 3, 4 and 5.
• By means of the respective sensors 13, 14 and 15 are the number, position and location the vehicle occupant in the interior of the vehicle 1 determined.
• the sensors mentioned here are in particular not full-fledged radar, Ultrasonic, laser or camera sensors, such as are used for a vehicle-to-vehicle distance control, but rather to smaller embodiments thereof, which are suitable for integration into the peripheral airbag sensor modules 10, 11, 12.
• the sensors require only a small sensor range of a few meters, since they only need to detect the interior of the vehicle, and can therefore be correspondingly small
• the occupant detection is preferably two- or three-dimensional by means of the sensor modules 10, 11 and 12. From the
• Occupant detection or the detection of seat occupancy is carried out in a second step by the control unit 9, a determination of the current position of the occupants and their location.
• Retention means of the vehicle 1 such as airbag devices or belt tensioners, can be ignited in this way even more targeted, whereby the safety in traffic for the occupants of the vehicle 1 is increased.
• vehicle 1 is also designed as an autonomous or teilautautonomes vehicle that is so autonomous or teilautonom a example
• Vehicle seats 3_1 to 5_3 a movement device 16, shown in the figure by way of example for the driver's seat, which the driver's seat from a
• the movement device 16 is controllable by the control unit 9 in order to shift the driver's seat 3_1 in a short time to a position in which the person in the driver's seat is protected as well as possible in the event of an imminent collision.
• the exact knowledge and location of the position at the time of the trip is therefore of great advantage.
• the position can be detected and, if necessary, adjusted in a timely manner by means of the movement device 16.
• a plausibility check of an optionally installed in the vehicle 1 occupant detection device for example, occupancy sensors in the vehicle seats, possible.
• the advantageous safety system 2 it is also possible to determine in which position and position the vehicle occupants are before, during and after an accident. As a result, an accident history can be easily reconstructed, for example, to determine why certain occupants suffered certain injuries. In addition, it is by means of
• Safety device 2 possible to determine the position and position of the vehicle occupants after an accident, for example, if the last position and position of the occupants was saved before a fall. This is especially advantageous if the occupants are trapped in the vehicle and must be released from the vehicle by the rescue workers.
• Safety device 2 in particular the control unit 9, has to
• a radio interface in particular in the manner of a vehicle-to-X communication interface, by means of which rescue forces can read the stored information about the position and position of the occupants.
• rescue forces can read the stored information about the position and position of the occupants.
• the sensor modules 10, 11 are arranged on only one side wall of the vehicle 1, it is provided according to a further embodiment, that corresponding sensor modules also at the
• opposite side wall of the vehicle facing the interior are arranged to detect the respective rows of seats 4 and 5 also from the other side, whereby the seat occupancy determination is more accurate feasible. It is also possible to cover vehicle areas that have not been covered by a previously existing occupant detection. It is also conceivable to install another sensor module on the center tunnel of the Vehicle, for example, between the rows of seats 3 and 4 or 4 and 5 to arrange, the non-contact sensor is directed upward to determine a seat occupancy or plausibility.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Computer Vision & Pattern Recognition (AREA)
• Physics & Mathematics (AREA)
• Electromagnetism (AREA)
• Aviation & Aerospace Engineering (AREA)
• Transportation (AREA)
• Air Bags (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

Country Status (4)

Families Citing this family (4)

Citations (10)

Family Cites Families (7)

• 2016
  • 2016-06-02 DE DE102016209667.2A patent/DE102016209667A1/de active Pending
• 2017
  • 2017-05-17 CN CN201780034430.7A patent/CN109219537A/zh active Pending
  • 2017-05-17 US US16/305,413 patent/US20200324724A1/en not_active Abandoned
  • 2017-05-17 WO PCT/EP2017/061809 patent/WO2017207273A1/de active Application Filing

Patent Citations (10)

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